Fix build on Cygwin/MinGW

src/asm/program_epilogue_linux.inc

@@ -1,5 +1,3 @@
-	#include "program_epilogue_store.inc"
-
 	;# restore callee-saved registers - System V AMD64 ABI
 	pop r15
 	pop r14

src/asm/program_epilogue_win64.inc

@@ -1,5 +1,3 @@
-	include program_epilogue_store.inc
-
 	;# restore callee-saved registers - Microsoft x64 calling convention
 	movdqu xmm15, xmmword ptr [rsp]
 	movdqu xmm14, xmmword ptr [rsp+16]

src/asm/program_prologue_linux.inc

@@ -32,8 +32,3 @@
 	movapd xmm9, xmmword ptr [rcx+88]
 	movapd xmm10, xmmword ptr [rcx+104]
 	movapd xmm11, xmmword ptr [rcx+120]
-	movapd xmm13, xmmword ptr mantissaMask[rip]
-	movapd xmm14, xmmword ptr exp240[rip]
-	movapd xmm15, xmmword ptr scaleMask[rip]
-
-	jmp DECL(randomx_program_loop_begin)

src/asm/program_prologue_win64.inc

@@ -45,8 +45,3 @@
 	movapd xmm9, xmmword ptr [rcx+88]
 	movapd xmm10, xmmword ptr [rcx+104]
 	movapd xmm11, xmmword ptr [rcx+120]
-	movapd xmm13, xmmword ptr [mantissaMask]
-	movapd xmm14, xmmword ptr [exp240]
-	movapd xmm15, xmmword ptr [scaleMask]
-
-	jmp randomx_program_loop_begin

src/jit_compiler_x86_static.S

@@ -27,14 +27,12 @@
 .intel_syntax noprefix
 #if defined(__APPLE__)
 .text
-#else
-.section .text
-#endif
-#if defined(__WIN32__) || defined(__APPLE__)
 #define DECL(x) _##x
 #else
+.section .text
 #define DECL(x) x
 #endif
+
 .global DECL(randomx_program_prologue)
 .global DECL(randomx_program_loop_begin)
 .global DECL(randomx_program_loop_load)
@@ -63,7 +61,15 @@
 
 .balign 64
 DECL(randomx_program_prologue):
+#if defined(__CYGWIN__)
+	#include "asm/program_prologue_win64.inc"
+#else
 	#include "asm/program_prologue_linux.inc"
+#endif
+	movapd xmm13, xmmword ptr mantissaMask[rip]
+	movapd xmm14, xmmword ptr exp240[rip]
+	movapd xmm15, xmmword ptr scaleMask[rip]
+	jmp DECL(randomx_program_loop_begin)
 
 .balign 64
 	#include "asm/program_xmm_constants.inc"
@@ -101,10 +107,19 @@ DECL(randomx_dataset_init):
 	push r13
 	push r14
 	push r15
+#if defined(__CYGWIN__)
+	push rdi
+	push rsi
+	mov rdi, qword ptr [rcx] ;# cache->memory
+	mov rsi, rdx ;# dataset
+	mov rbp, r8  ;# block index
+	push r9      ;# max. block index
+#else
 	mov rdi, qword ptr [rdi] ;# cache->memory
 	;# dataset in rsi
 	mov rbp, rdx  ;# block index
 	push rcx      ;# max. block index
+#endif
 init_block_loop:
 	prefetchw byte ptr [rsi]
 	mov rbx, rbp
@@ -124,7 +139,11 @@ call_offset:
 	add rsi, 64
 	cmp rbp, qword ptr [rsp]
 	jb init_block_loop
-	pop rcx
+	pop rax
+#if defined(__CYGWIN__)
+	pop rsi
+	pop rdi
+#endif
 	pop r15
 	pop r14
 	pop r13
@@ -135,7 +154,12 @@ call_offset:
 
 .balign 64
 DECL(randomx_program_epilogue):
+	#include "asm/program_epilogue_store.inc"
+#if defined(__CYGWIN__)
+	#include "asm/program_epilogue_win64.inc"
+#else
 	#include "asm/program_epilogue_linux.inc"
+#endif
 
 .balign 64
 DECL(randomx_sshash_load):
@@ -176,5 +200,7 @@ DECL(randomx_program_end):
 	nop
 
 DECL(randomx_reciprocal_fast):
+#if !defined(__CYGWIN__)
 	mov rcx, rdi
+#endif
 	#include "asm/randomx_reciprocal.inc"

src/jit_compiler_x86_static.asm

@@ -55,6 +55,10 @@ RANDOMX_CACHE_MASK          EQU (RANDOMX_ARGON_MEMORY*16-1)
 ALIGN 64
 randomx_program_prologue PROC
 	include asm/program_prologue_win64.inc
+	movapd xmm13, xmmword ptr [mantissaMask]
+	movapd xmm14, xmmword ptr [exp240]
+	movapd xmm15, xmmword ptr [scaleMask]
+	jmp randomx_program_loop_begin
 randomx_program_prologue ENDP
 
 ALIGN 64
@@ -139,6 +143,7 @@ randomx_dataset_init ENDP
 
 ALIGN 64
 randomx_program_epilogue PROC
+	include asm/program_epilogue_store.inc
 	include asm/program_epilogue_win64.inc
 randomx_program_epilogue ENDP
 

src/virtual_memory.cpp

@@ -30,7 +30,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #include <stdexcept>
 
-#ifdef _WIN32
+#if defined(_WIN32) || defined(__CYGWIN__)
 #include <windows.h>
 #else
 #ifdef __APPLE__
@@ -43,7 +43,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #endif
 #endif
 
-#ifdef _WIN32
+#if defined(_WIN32) || defined(__CYGWIN__)
 std::string getErrorMessage(const char* function) {
 	LPSTR messageBuffer = nullptr;
 	size_t size = FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
@@ -85,7 +85,7 @@ void setPrivilege(const char* pszPrivilege, BOOL bEnable) {
 
 void* allocExecutableMemory(std::size_t bytes) {
 	void* mem;
-#ifdef _WIN32
+#if defined(_WIN32) || defined(__CYGWIN__)
 	mem = VirtualAlloc(nullptr, bytes, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
 	if (mem == nullptr)
 		throw std::runtime_error(getErrorMessage("allocExecutableMemory - VirtualAlloc"));
@@ -103,7 +103,7 @@ constexpr std::size_t align(std::size_t pos, std::size_t align) {
 
 void* allocLargePagesMemory(std::size_t bytes) {
 	void* mem;
-#ifdef _WIN32
+#if defined(_WIN32) || defined(__CYGWIN__)
 	setPrivilege("SeLockMemoryPrivilege", 1);
 	auto pageMinimum = GetLargePageMinimum();
 	if (pageMinimum > 0)
@@ -125,7 +125,7 @@ void* allocLargePagesMemory(std::size_t bytes) {
 }
 
 void freePagedMemory(void* ptr, std::size_t bytes) {
-#ifdef _WIN32
+#if defined(_WIN32) || defined(__CYGWIN__)
 	VirtualFree(ptr, 0, MEM_RELEASE);
 #else
 	munmap(ptr, bytes);